(19)

(11)

EP 1 058 674 A1

(12)

(43) Date of publication: 13.12.2000 Bulletin 2000/50 (21) Application number: 99908535.0 (22) Date of filing: 26.02.1999

(51) International Patent Classification (IPC)7: C02F 1/463, C02F 1/46 (86) International application number: PCT/US9904/312 (87) International publication number: WO 9943/617 (02.09.1999 Gazette 1999/35)

(84) Designated Contracting States: DE ES FR GB (30) Priority: 27.02.1998 US 76298 P (71) Applicant: Powell, Scott Wade Aurora, CO 80015-5820 (US)	(72) Inventor: Powell, Scott Wade Aurora, CO 80015-5820 (US) (74) Representative: Gray, John James  Fitzpatricks,4 West Regent Street Glasgow G2 1RS Glasgow G2 1RS (GB)